According to 2015 Believers in Christ from a Muslim Background": A Global Census study published by Baylor University institute for studies of religion, it estimates that 10.2 million Muslims converted to Christianity.[12]
The following is a list of notable people who converted to Christianity from a different religion or no religion. This article addresses only past voluntary professions of faith by the individuals listed, and is not intended to address ethnic, cultural, or other considerations such as Marriage. Certain people listed here may be lapsed or former converts, or their current religious identity may be ambiguous, uncertain or disputed. Such cases are noted in their list entries.
^"Pentecostalism: Massive Global Growth Under the Radar". Pulitzer Center. 9 March 2015. Today, one quarter of the two billion Christians in the world are Pentecostal or Charismatic. Pentecostalism is the fastest growing religion in the world.
^"More Religion, but Not the Old-Time Kind". The New York Times. 3 August 2005. The world's fastest-growing religion is not any type of fundamentalism, but the Pentecostal wing of Christianity.
^"Witnessing The New Reach Of Pentecostalism". The Washington Post. 3 August 2002. Pentecostalism is widely recognized by religious scholars as the fastest-growing Christian movement in the world, reaching into many different denominations.
^"Canadian Pentecostalism". McGill–Queen's University Press. 9 February 2009. One of the most significant transformations in twentieth-century Christianity is the emergence and development of Pentecostalism. With over five hundred million followers, it is the fastest-growing movement in the world. An incredibly diverse movement, it has influenced many sectors of Christianity, flourishing in Africa, Latin America, and Asia and having an equally significant effect on Canada.
^"Protestantism: The fastest growing religion in the developing world". The Manila Times. 18 November 2017. At the heart of this religious resurgence are Islam and Pentecostalism, a branch of Protestant Christianity. Islam grew at an annual average of 1.9 percent between 2000 and 2017, mainly as the result of a high birth rate. Pentecostalism grew at 2.2 percent each year, mainly by conversion. Half of developing-world Christians are Pentecostal, evangelical or charismatic (all branches of the faith emphasize the authority of the Bible and the need for a spiritual rebirth). Why are people so attracted to it?.
^"Why is Protestantism flourishing in the developing world?". The Economist. 18 November 2017. Pentecostalism grew at 2.2 percent each year, mainly by conversion. Half of developing-world Christians are Pentecostal, evangelical or charismatic.